Narrated Abu Wail:Hudhaifa said, "The Verse:-- "And spend (of your wealth) in the Cause of Allah and do not throw yourselves in destruction," (2.195) was revealed concerning spending in Allah's Cause (i.e. Jihad)
Opening the verse...
“Read in the name of your Lord who created.” 96:1
“My Lord, increase me in knowledge.” 20:114
“So remember Me; I will remember you.” 2:152
“Indeed, with hardship comes ease.” 94:6